benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 beck, 2001-09-11,  JMS ,   ,  ASHTECH,  04600 ,  Z-XII3 CD00,  ASH701945B_M,  CR619992805,  NONE, 0.6904, 0.7497, 30, 165230
 beck, 2001-09-18,  WRT ,   ,  ASHTECH,  LP03360 ,  Z-XII3 CC00,  ASH700936D_M,  CR14330,  NONE, 1.0839, 1.1348, 30, 1670
 beck A266_1950_USCGS, 2005-09-15,  JMS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH701945B_M,  CR519993706,  NONE, 0.7391, 0.7969, 30, 16150
 beck A266_1950_USCGS, 2005-09-19,  WRT ,  USGS ,  ASHTECH,  04582 ,  Z-XII3 CD00,  ASH701945E_M,  CR620022605,  NONE, 1.0668, 1.1179, 30, 165330
 beck A266_1950_USCGS, 2010-08-10,  JMS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE210,  ASH700936D_M,  CR14329,  NONE, 0.8059, 0.8619, 15, 16045
 beck A266_1950_USCGS, 2010-08-11,  JMS ,  USGS ,  ASHTECH,  ZE1200331017 ,  Z-X ZE210,  ASH700936D_M,  CR14329,  NONE, 0.8897, 0.9438, 15, 155215